One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,7)(4,12)(5,6)(8,14)(9,11)(10,16)(13,15)(17,18,23,21)(19,27,29,24)(20,30,28,25)(22,26,32,31)(33,34)(35,42)(36,40)(37,45)(38,39)(41,47)(43,44)(46,48)(1,2)(3,9)(4,8)(5,6)(7,11)(10,16)(12,14)(13,15)(17,19,23,29)(18,24,21,27)(20,22,28,32)(25,26,30,31)(34,39)(36,42)(41,45)(44,46)(2,6)(7,9)(8,12)(15,16)(33,35,38,40)(34,36,39,42)(37,43,47,48)(41,44,45,46)(1,2)(3,9)(4,8)(5,6)(7,11)(10,16)(12,14)(13,15)(17,20,23,28)(18,25,21,30)(19,22,29,32)(24,26,27,31)(33,35)(34,36)(37,43)(38,40)(39,42)(41,44)(45,46)(47,48)(1,3,5,11)(2,7,6,9)(4,13,14,10)(8,16,12,15)(17,21,23,18)(19,27,29,24)(20,25,28,30)(22,26,32,31)(33,36)(34,40)(35,39)(37,46)(38,42)(41,43)(44,47)(45,48)(1,4,5,14)(2,8,6,12)(3,10,11,13)(7,15,9,16)(17,22)(18,26)(19,28)(20,29)(21,31)(23,32)(24,30)(25,27)(33,37,38,47)(34,41,39,45)(35,43,40,48)(36,44,42,46)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.